Home / 20,227.39-30,120.73-20,006.30

Finding the Fourth Proportional to 20,227.39, 30,120.73 and 20,006.30

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Solution

The fourth proportional to 20,227.39, 30,120.73 and 20,006.30 is: 29,791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.39 : 30,120.73 = 20,006.30 : x
  2. Step 2: Convert to fraction form
    20,227.39/30,120.73 = 20,006.30/x
  3. Step 3: Cross multiply
    20,227.39x = 30,120.73 × 20,006.30
  4. Step 4: Simplify right side
    20,227.39x = 602,604,360.60
  5. Step 5: Solve for x
    x = 602,604,360.60/20,227.39
  6. Step 6: Final answer
    x = 29,791.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.